STEL / TWA exposure alarm
The alarm is indicated by an inter-
mittent alarm message:
Display » A2 « and »
« (STEL) or »
measured value alternating:
ATTENTION
Leave the area immediately. After this alarm, the deploy-
ment of personnel is subject to the relevant national regu-
lations.
– The STEL and TWA alarm cannot be acknowledged or
cancelled.
Switch off the device. The values for the exposure evalua-
tion are deleted after the device is switched on again.
Battery pre-alarm
The alarm is indicated by an inter-
mittent alarm message:
Flashing special symbol »
« on
the right-hand side of the display:
Acknowledging a pre-alarm:
Press the [OK] key, only the audible alarm and the vi-
bration alarm are switched off.
– The battery still lasts approx. 20 minutes after the first
battery pre-alarm.
Battery main alarm
The alarm is indicated by an inter-
mittent alarm message:
Flashing special symbol »
« on
the right-hand side of the display:
The battery main alarm cannot be acknowledged or can-
celled:
– The device is automatically switched off again after
10 seconds.
– Before the device is switched off, the visual, audible and
vibration alarms are activated for a short time.
Device alarm
Uninterrupted alarm message:
Display special symbol »
« on
the right-hand side of the display:
– The instrument is not ready for use.
Maintanance is required.
End of operation
Only in the case of Dräger X-am 1700.
– A warning period starts before the end of the operating
time. After switching on the device, the special symbol
« (TWA) and
»
« (for warning) is displayed.
Acknowledging the end of operation warning:
Press the [OK] key, the device will continue to operate
until the operating time has elapsed.
– If the operating time has elapsed: display » d 0 «. The
device cannot be switched on anymore.
Calling the info mode
In measuring mode, press the [OK] key for approx.
3 seconds.
– The peak values as well as the exposure values TWA
and STEV are displayed successively (press the [OK]
key for the next display). If any warning or fault mes-
sages exist, the corresponding note or error codes are
displayed (see the Technical Handbook).
– If no key is pressed for 10 seconds, the device returns
automatically to measuring mode.
Calling the quick menu
In measuring mode, press the [ + ] key three times.
– If functions were activated for the quick menu with the
PC software "CC Vision", you can select these functions
using the [ + ] key. If no functions are activated in the quick
menu, the device stays in measuring mode.
Possible functions:
Press the [OK] key to call the selected function.
Press the [ + ] key to cancel the active function and to
switch to measuring mode.
– If no key is pressed for 60 seconds, the device returns
automatically to measuring mode.
Replacing the batteries /
Rechargeable batteries
Do not replace the batteries / rechargeable batteries in
hazardous areas. Danger of explosion!
Batteries / rechargeable batteries are part of the Ex
approval. Only the following types may be used:
– Alkaline batteries – T4 – (not rechargeable!)
Energizer No. E91, Energizer No. EN91 (Industrial),
Varta Type 4106 (power one)
– NiMHy rechargeable batteries –T3 – (rechargeable)
GP 180AAHC (1800) max. 40
perature.
Do not throw used batteries into fire or try to open them
by force. Danger of explosion!
Dispose of the batteries in accordance with local regulati-
ons.
Charging the instrument with NiMH
power supply unit T4 (83 18 704)
Do not charge underground or in explosion-hazard areas!
Danger of explosion!
The chargers are not designed in accordance with the
regulations for firedamp and explosion protection.
1. Bump Test Mode
2. fresh air cal.
Even when the instrument is not being used, we recom-
mend that you store the instrument in the charger!
– Status of the charger is displayed with an LED:
To maintain the lifetime of the batteries, charging is tempe-
rature controlled and only performed in a temperature
range of 5 to 35
WARNING
After returing back into the temperature range, charging
automatically continues.
Standard charging time is 4 hours. A new NiMH power
supply unit reaches its full capacity after three full
charging/discharge cycles.
o
C ambient tem-
Switching off the device:
Press and hold the [OK] key and the [ + ] key simulta-
neously.
Loosen the screw on the power pack and remove the
power pack.
Battery holder (order no. 83 18 703):
Replace the alkaline batteries or NiMHy rechargeable
batteries – ensure correct polarity.
NiMH power supply unit T4 (order no. 83 18 704):
Completely replace power pack.
Insert the power pack into the device and tighten the
screw, the device is automatically switched on.
WARNING
WARNING
Put the switched off instrument into the charger.
Charging
Error
Battery fully charged
o
C.
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